/Engine/Source/Runtime/Slate/Public/Widgets/Input/SComboButton.h
Called to query the tool tip text for this widget, but will return an empty text when the menu is already open
Tool tip text, or an empty text if filtered out
[FText](API\Runtime\Core\Internationalization\FText) GetFilteredToolTipText ( [TAttribute](API\Runtime\Core\Misc\TAttribute)< [FText](API\Runtime\Core\Internationalization\FText) > ToolTipText ) const